Home / 145,910.76-218,923.24-57,148.93

Finding the Fourth Proportional to 145,910.76, 218,923.24 and 57,148.93

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Solution

The fourth proportional to 145,910.76, 218,923.24 and 57,148.93 is: 85,745.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,910.76 : 218,923.24 = 57,148.93 : x
  2. Step 2: Convert to fraction form
    145,910.76/218,923.24 = 57,148.93/x
  3. Step 3: Cross multiply
    145,910.76x = 218,923.24 × 57,148.93
  4. Step 4: Simplify right side
    145,910.76x = 12,511,228,918.13
  5. Step 5: Solve for x
    x = 12,511,228,918.13/145,910.76
  6. Step 6: Final answer
    x = 85,745.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.